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Bad Hpfp?

357 views 1 reply 2 participants last post by  HonestChip 
#1 ·
Running into a wall with my mk5 gti. whenever i go wot or get into any kind of boost the car seems to stutter and break up and as soon i get off the throttle it seems go back to normal. Also occurs when im also just regularly driving and just try to get on it . no sort of codes are showing up no matter how many times it happens. Im leaning towards a hpfp regulator but maybe i’m completely wrong. Any tips? car is stock tune with basic bolt ons (downpipe, cold air intake, all basic maintenance as well)
 
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